IQ Final Test Selection & Specific Test Types and Examples

Screening Tool

A tool used to flag concerns early and identify individuals who may need a fuller evaluation; cannot be used for diagnosis on its own.

Comprehensive Assessment Tool

An assessment that includes multiple data sources for answering specific referral questions, diagnosis, and treatment planning.

Pros of Screening Tools

Fast, low cost, easy to administer, and useful for identifying who needs more assessment.

Cons of Screening Tools

Not diagnostic, limited information, can only indicate the need for additional testing, and higher risk of false positives/negatives.

Advantages of Comprehensive Tools

Provides richer information, better for diagnosis and treatment planning, includes multiple data sources, and offers context.

Disadvantages of Comprehensive Tools

More time-consuming and requires more training to administer.

Achievement Test

Tests that evaluate what has been accomplished or learned, often used in educational contexts.

Examples of IQ Tests

WPPSI-IV, WASI, SB5, KBIT-2 Revised, RIAS.

Nonverbal IQ Test

Tests designed for individuals who are not proficient in English, such as CTONI-2, TONI-4, and Raven’s Progressive Matrices.

Difference Between Achievement and IQ Tests

Achievement tests measure learned knowledge, while IQ tests assess total cognitive ability.

Stanford-Binet

An IQ test that measures cognitive abilities through five factors: fluid reasoning, knowledge, quantitative reasoning, visual-spatial processing, and working memory.

Adaptive Skills Measure

Structured assessment of a person’s daily living skills, used alongside IQ testing.

Ages and Stages Questionnaire

A developmental milestone screening tool for young children from 1 month to 5.5 years.

Good Evidence-Based Test Characteristics

Validity, reliability, population norms, and updated research validation.

Data-Driven Treatment

Treatment supported by evidence, involving symptom monitoring and using assessment measures to guide choices.

Fine Motor Skills Deficits Impact

Individuals with poor fine motor skills may struggle in timed tests requiring precision, affecting IQ test scores.

Culturally Responsive Assessment Tools

Assessment tools that take cultural differences into account to avoid bias and improve fit.

Influences on Assessment Tool Choice

Age, preferred language, time constraints, bias/limitations, integration with other tools, and non-verbal options.

Testing Integration Caution

Careful integration of testing methods is crucial to avoid misuse and misinterpretation.

Multiple Data Sources in Assessment

Utilizes records, collateral contacts, interviews, MSE, and testing to provide comprehensive evaluation.

Limitations of Quick Assessments

While quick assessments are convenient, they may not provide a full or accurate picture of an individual's needs.